/**
 * based on:
 *
 * SWFMouseWheel v1.0 alpha4 
 * http://oysteinwika.com/swfmousewheel/
 * Copyright (c) 2007 �ystein Wika
 * This software is released under the MIT License <http://www.opensource.org/licenses/mit-license.php>
 *
 * and:
 *
 * SWFMacMouseWheel v1.0: Mac Mouse Wheel functionality in flash - http://blog.pixelbreaker.com/
 *
 * SWFMacMouseWheel is (c) 2006 Gabriel Bucknall and is released under the MIT License:
 * http://www.opensource.org/licenses/mit-license.php
 */


var sp = document.getElementsByTagName('script'), cs = sp[sp.length - 1], qs = cs.src.replace(/^[^\?]+\??/,''), parameters = parse(qs);
function parse(query) {
   var tmpParameters = new Object ();
   if (!query) return tmpParameters;
   var tmpPairs = query.split(/[;&]/);
   for (var i = 0; i < tmpPairs.length; i++) {
      var tmpArray = tmpPairs[i].split('=');
      if (!tmpArray || tmpArray.length != 2) continue;
      var k = unescape(tmpArray[0]);
      var v = unescape(tmpArray[1]);
      v = v.replace(/\+/g, ' ');
      tmpParameters[k] = v;
   }
   return tmpParameters;
}
var id = parameters['id'];

function handler(delta) {
	if(callMovie(id).externalMouseWheelEvent) callMovie(id).externalMouseWheelEvent(delta);
}

function wheel(event){
	var delta = 0;
	if (!event) event = window.event;
	
	if (event.wheelDelta) 
	{ /* IE/Opera. */
		delta = event.wheelDelta/120;
		if (window.opera) delta = -delta;
	} else if (event.detail) 
	{ /** Mozilla case. */
		//delta = -event.detail;
		delta = -event.detail/3;
	}
	if( /AppleWebKit/.test(navigator.userAgent) ) {
		//delta /= 3;	
	}

	if (delta) handler(delta);
	if (event.preventDefault) event.preventDefault();
	event.returnValue = false;
}

if (window.addEventListener) window.addEventListener('DOMMouseScroll', wheel, false);
window.onmousewheel = document.onmousewheel = wheel;

function callMovie(id) {
	if (navigator.appName.indexOf("Microsoft") != -1) {
		return window[id];
	} else {
		return document[id];
	}

}